This article explains how to clear the cache and cookies in Internet Explorer 9, 10 and 11.
  • Select Tools (via the    Gear Icon at the top right) > Safety > Delete browsing history....

            Please note that you can also access this menu by holding Ctrl + Shift + Delete.

  • Make sure to uncheck Preserve Favorites website data and check both Temporary Internet Files and Cookies then click Delete.

  • You will get a confirmation at the bottom of the window once it has successfully cleared your cache and cookies.